English verb conjugation
COULD MAINSTREAM

Regular verb: mainstream - mainstreamed - mainstreamed

Affirmation

Simple form	V-ing form
I could mainstream you could mainstream she could mainstream we could mainstream you could mainstream they could mainstream	I could be mainstreaming you could be mainstreaming she could be mainstreaming we could be mainstreaming you could be mainstreaming they could be mainstreaming
Perfect	V-ing perfect
I could have mainstreamed you could have mainstreamed she could have mainstreamed we could have mainstreamed you could have mainstreamed they could have mainstreamed	I could have been mainstreaming you could have been mainstreaming she could have been mainstreaming we could have been mainstreaming you could have been mainstreaming they could have been mainstreaming

Negation

Simple form	V-ing form
I could not mainstream you could not mainstream she could not mainstream we could not mainstream you could not mainstream they could not mainstream	I could not be mainstreaming you could not be mainstreaming she could not be mainstreaming we could not be mainstreaming you could not be mainstreaming they could not be mainstreaming
Perfect	V-ing perfect
I could not have mainstreamed you could not have mainstreamed she could not have mainstreamed we could not have mainstreamed you could not have mainstreamed they could not have mainstreamed	I could not have been mainstreaming you could not have been mainstreaming she could not have been mainstreaming we could not have been mainstreaming you could not have been mainstreaming they could not have been mainstreaming

Interrogative form

Simple form	V-ing form
could I mainstream? could you mainstream? could she mainstream? could we mainstream? could you mainstream? could they mainstream?	could I be mainstreaming? could you be mainstreaming? could she be mainstreaming? could we be mainstreaming? could you be mainstreaming? could they be mainstreaming?
Perfect	V-ing perfect
could I have mainstreamed? could you have mainstreamed? could she have mainstreamed? could we have mainstreamed? could you have mainstreamed? could they have mainstreamed?	could I have been mainstreaming? could you have been mainstreaming? could she have been mainstreaming? could we have been mainstreaming? could you have been mainstreaming? could they have been mainstreaming?

Interro-negative form

Simple form	V-ing form
could I not mainstream? could you not mainstream? could she not mainstream? could we not mainstream? could you not mainstream? could they not mainstream?	could I not be mainstreaming? could you not be mainstreaming? could she not be mainstreaming? could we not be mainstreaming? could you not be mainstreaming? could they not be mainstreaming?
Perfect	V-ing perfect
could I not have mainstreamed? could you not have mainstreamed? could she not have mainstreamed? could we not have mainstreamed? could you not have mainstreamed? could they not have mainstreamed?	could I not have been mainstreaming? could you not have been mainstreaming? could she not have been mainstreaming? could we not have been mainstreaming? could you not have been mainstreaming? could they not have been mainstreaming?